Mac Wont Open Dmg
If I were you I would ignore the dmg problem until you fix the higher priority problem of the disk errors. Maybe fixing that will fix the dmg problem and I'm guessing almost certainly the spinning cursors.
I have download photo express mac version on my MacBook Pro and it won't open it said can't opened because it is from an unidentified developer. But I'm using there mac download so what do I do so. Screenshot of a Mac OS X desktop with a mounted DMG file’s icon. DMG stands for Disk Image, and is a format commonly used to distribute files and applications among Apple computers. A DMG file is like a virtual DVD or hard drive. How to Open a DMG File in Windows Martin Hendrikx Updated April 2, 2018, 10:29pm EDT Whether you are an avid Mac programmer using a Windows PC, or you just found a DMG file on your Windows machine, it can be useful to know what it is and how to open it. Double click the.dmg file and it will mount to the disk. The contents will open and there should be either an installer or the.app file. The installation will automatically put the application into its proper folder, and the.app file can be drug to the folder. Once the.app file is actually on the hard drive.
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As I understand it Lion drives are formatted with a special 'recovery partition' which takes the place of the separate bootable installation disks. It contains a copy of Disk Utility. Read the following on how to use this partition.
By the way, if you are using Lion you should update your sig.
Dec 12, 2011 10:58 PM
I see that your MacBook stopped opening .DMG files after you updated to macOS Sierra. I can imagine it's concerning to have something not work like it did on a previous operating system. I'm happy to help assist you in finding the best resolution.
macOS should read these files and you should be able to open them fine with no issues, so I would suggest doing a fresh restart of your computer to see if that helps.
If you still have an issue after that, try a backup of your Mac's important data and a reinstall of macOS using the following articles:
Use Time Machine to back up or restore your Mac
How to reinstall macOS
Please let us know if this helps.
Have a great day!
How To Open Dmg File
Oct 17, 2016 11:29 AM